Android’s developer options menu is a secret treasure trove of tweaks that adventurous users can play with. If you want to install any app to your SD card, speed up window animations, or even save some battery life, here’s how to unlock and use this hidden menu.

Google introduced a sweet hidden menu in Android Marshmallow called the System UI Tuner. It packs a ton of neat little tweaks like hiding status bar icons or showing your battery percentage. Here’s how to turn it on, and what you can do with it.

A lot of us don’t like having a busy wallpaper on our phones, but that doesn’t mean you have to seek out blurry wallpapers on Google. MacSparky’s David Sparks points out that it’s easy enough to make your own.

Android: When you’re typing on a smartphone, you can double-tap a word to correct a mistake. Google Voice search is no different: if it misunderstands a word, you can say it again without repeating your entire phrase.

A well-organized home screen is a thing of beauty. When you download a new app from Google Play, it adds an icon to your screen, destroying your work of art. A quick setting in the Google Play app solves that problem.

Some sites aren't exactly easy to read, especially on mobile devices. Chrome for Android now has a hidden "reader" mode that will strip the page of annoying formatting so you can get to the good stuff.

Many people don't realize this, but Google Maps navigation has two views: a first-person view (where the arrow faces forward at all times) and a map view, which shows a more traditional map and rotates the arrow. If you've somehow gotten stuck on the second, here's how to go back to regular navigation.

You can tweak so many things in Android, you probably haven't even bothered opening up the Accessibility settings. Given the name, you'd think those are only features for people with disabilities, but they can actually be useful for anyone.

Dropbox is a great tool, but the official app only allows you to sign into one account at a time. If you need to work with multiple accounts, ES File Explorer, our favorite file explorer for Android, makes things easy.

Google Play Store errors can be frustrating, thanks to the cryptic error codes that provide no additional information. To help you resolve them, an XDA forum member put together a list of the most common error codes and their solutions.

Keeping your smartphone charged takes constant vigilance sometimes, and some apps drain your battery more than others. Over on Re/Code they take a look at a study that shows that messaging apps tend to drain the most power without people realizing it.

Android: Google's new built-in camera app for Android includes a new feature that simulates the blur effect of SLR and compact system cameras. It turns out that the feature is tricky to use and yields the best results when you center the subject.

Like a lot of text messaging clients, WhatsApp shows when a recipient views a text. That's a little intrusive (not to mention annoying), but if you want to disable those last seen messages, it's incredibly easy.

One of the best features of Safari for iOS is Reader. With a tap of a button you can strip a web site down to its bare essentials and read without the clutter of menus or ads. Thankfully, as Wired points out, you can get the same feature in a browser like Chrome using a bookmarklet from Readability or Instapaper.

In stock Android, when you drag the notification drawer down, you can tap the button in the upper right to access quick settings like Wi-Fi, data, brightness, and more. If you want to jump straight to these settings, you can drag the notification drawer down with two fingers.